package com.atguigu.gulimall.order.config;

import com.alibaba.druid.sql.visitor.functions.Bin;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;


@Configuration
public class MyMQConfig {

    /**
     * @Bean:容器中的Binding，Queue，Exchange 都会自动创建（RabbitMQ没有的情况）
     * RabbitMQ只要有，@Bean属性就不会覆盖
     */
    @Bean
    public Queue orderDelayQueue(){
        //设置属性
        Map<String,Object> arguments=new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);

        return new Queue("order.delay.queue", true, false, false,arguments);
    }
    @Bean
    public Queue orderReleaseOrderQueue(){

        return new Queue("order.release.order.queue", true, false, false);
    }
    @Bean
    public Exchange orderEventExchange(){
        return new TopicExchange("order-event-exchange", true, false);
    }
    @Bean
    public Binding orderCreateOrderBinding(){
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }
    @Bean
    public Binding orderReleaseOrderBinding(){
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }
    /**
     * 订单释放直接和库存释放进行绑定
     */
    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }

    /**
     * 秒杀订单队列
     * 削峰处理
     */
    @Bean
    public Queue orderSeckillOrderQueue(){
        return new Queue("order.seckill.order.queue", true, false, false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }
}